Chapter I: Early History to João I

[b] EMILE BÉGIN, _Voyage pittoresque en Espagne et en Portugal_.

[c] H. MORSE STEPHENS, article on “Portugal” in the _Encyclopædia Britannica_.

[d] “Chronicon Lusitanum” in Flórez, _España Sagrada_.

[e] _Chronicon Complutense._

[f] N. DE LA CLÈDE, _Histoire générale du Portugal_.

[g] DIOGO DE LEMOS, _Historia geral de Portugal_.

[h] S. A. DUNHAM, _The History of Spain and Portugal_.

[i] M. M. BUSK, _The History of Spain and Portugal_.

[j] ALEXANDRE HERCULANO, _Histoire de Portugal_.

[k] ANTONIO ENNES and others, _Historia de Portugal_.

[l] FERNÃO LOPES, _Chronica del Rey Dom Pedro_.